Gastrointestinal symptoms of Parkinson’s
disease: A systematic review from pathogenesis
to management
The identification of Parkinson’s disease (PD) is mainly dependent on motorsymptoms, while the non-motor symptoms exist even decades ahead of the PDdiagnosis. According to Braak’s hypothesis, the enteric plexus is the first affectedsite during the pathological development of PD, and gastrointestinal (GI) symptomsappear during the onset of the disease. Although GI symptoms decrease the lifequality […]